Abstract: This disclosure relates to the cross carrier scheduling of sidelink carrier aggregation, and includes a method and apparatus for determining a component carrier (CC) index for at least one of a first sidelink transmission with a second UE and a Uu transmission with a network entity, the CC index indicating one or more CCs among which at least one of the first sidelink transmission and the Uu transmission occur; and communicating at least one of the first sidelink transmission to the second UE and the Uu transmission to the network entity based on the CC index.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, an integrated access and backhaul (IAB) node may determine a cell configuration of a distributed unit (DU) of the IAB node. The cell configuration may be associated with a second IAB donor. The DU may be one of a set of DUs of the IAB node. The IAB node may have a first signaling connection to a central unit (CU) of a first IAB donor. The IAB node may provide the cell configuration associated with the second TAB donor. Numerous other aspects are provided.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive an indication that a base station supports single frequency network (SFN) radio access channel (RACH) beam refinement. The UE may receive a transmission, as part of a RACH operation, the transmission having SFN enabled or having SFN not enabled. Numerous other aspects are provided.

Abstract: Certain aspects of the present disclosure provide a method for wireless communications by a transmitter user equipment (UE). The transmitter UE generates a message authentication code, based on information within a sidelink master information block (SL-MIB) and a key shared between the transmitter UE and a receiver UE. The transmitter UE transmits a sidelink broadcast channel (SL-BCH) transmission carrying the SL-MIB and the message authentication code.

Abstract: Apparatus, methods, and computer program products for SIM reporting are provided. An example method may include receiving, from a second network entity, scheduling information for a PUCCH transmission and generating SIM information based on a set of full duplex transmission and reception beam pairs, where the SIM information includes information indicative of at least one SIM metric for each respective full duplex transmission and reception beam pair of the set of full duplex transmission and reception beam pairs, where each respective full duplex transmission and reception beam pair includes a respective transmit beam associated with a respective TCI state and a respective receive beam associated with a respective TCI state.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a network node may communicate, using a first set of active antenna elements of an antenna array, during a first time period. The network node may activate a second set of active antenna elements based on a dynamic antenna set switching scheme, wherein the second set of active antenna elements includes at least one active antenna element not included in the first set, wherein a difference between a first main lobe property and a second main lobe property satisfies a main lobe threshold, and wherein a difference between a first side lobe property and a second side lobe property satisfies a side lobe threshold. The network node may communicate, using the second set of active antenna elements, during a second time period. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may transmit, to a base station, a UE capability to receive a first portion of a tracking reference signal (TRS) and a second portion of the TRS, the first portion and the second portion associated with a TRS pattern. The UE may receive, from the base station, an indication of the TRS pattern, where the TRS pattern includes the first portion of the TRS pattern and the second portion of the TRS pattern. The UE may receive one or more TRSs according to the first portion of the TRS pattern and the second portion of the TRS pattern.

Abstract: Methods, systems, and devices for wireless communication are described. A user equipment (UE) or a base station may be configured to indicate that a transmission occasion is empty while operating in a full-duplex mode. In some examples, the UE may transmit, to the base station, an indication that an uplink transmission occasion (for example, a configured grant transmission occasion) will not be used by the UE for transmitting an uplink communication. In some other examples, the base station may transmit, to the UE, an indication a downlink transmission occasion (for example, semi-persistent scheduling transmission occasion) will not be used by the base station for transmitting a downlink communication. If uplink or downlink transmission occasions are empty, the UE and the base station may each update parameters to operate in a half-duplex mode.

Abstract: Systems and techniques are provided for performing wireless communications. In some aspects, a user equipment (UE) may receive from a first wireless node via a first channel, a first transmission comprising a first artificial noise (AN) signal combined with a first data signal, wherein the first AN signal is generated based on channel state information (CSI) of the first channel. The UE may receive, from a second wireless node via a second channel, a second transmission comprising a second AN signal combined with a second data signal, wherein the second AN signal is generated based on CSI of the second channel and is different from the first AN signal. The UE can determine a data message based on the first transmission and the second transmission.

Abstract: Methods, systems, and devices for wireless communications are described. Wireless communications systems may support communications between various network nodes via repeaters to extend coverage to areas that may be otherwise uncovered. A repeater may forward a signal using a circular polarization type. A receiving network node may receive a signal transmitted with a circular polarization type using a linear antenna configuration without a risk of the signal being orthogonal to the linear antenna configuration, and therefore not received by the receiving network node. A repeater may report, to a control entity, a capability of the repeater to forward signals using a set of one or more polarization types (e.g., including at least one circular polarization type), and in response the repeater may receive scheduling information indicating for the repeater to forward a signal in a given communication resource using a particular polarization type (e.g., a particular circular polarization type).

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a plurality of downlink control information (DCI) communications, associated with a first component carrier and a second component carrier, that indicate a plurality of respective transmission configuration indicator (TCI) states, wherein the first component carrier and the second component carrier are included in a same component carrier list. The UE may transmit a plurality of acknowledgement (ACK) messages via a plurality of respective physical uplink control channel (PUCCH) transmissions that are included in a single PUCCH or in overlapping PUCCHs. The UE may apply a TCI update to at least one of the first component carrier or the second component carrier based at least in part on a TCI state of the plurality of TCI states and in accordance with one or more rules. Numerous other aspects are described.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a central entity in an integrated access and backhaul (IAB) network may determine that a trigger condition for updating transport network layer information of an TAB node in the TAB network is satisfied, based at least in part on at least one of: a change of a donor distributed unit associated with the TAB node, a central entity change associated with the TAB node, or an establishment, release, or modification of a route including the TAB node; and provide, to the TAB node, updated transport network layer information, based at least in part on the trigger condition being satisfied. Numerous other aspects are described.

Abstract: A method of wireless communication at a device that supports energy harvesting is disclosed herein. The method includes obtaining, via at least one energy harvesting operation, energy from a wireless transmission. The method further includes transmitting, for a network node, an indication of power consumption of the device for at least one of wireless communications or sensing at the device.

Abstract: Methods, systems, and devices for wireless communications are described. Generally, the described techniques provide for a first user equipment (UE) to establish a communication link with a base station and a sidelink communication link with a second UE using different transmission reception points associated with the first UE. The first UE may perform an interference measurement between downlink communications received on the communication link and sidelink communications transmitted on the sidelink communication link. The first UE may determine whether it is able to perform full-duplex operations on the communication link and the sidelink communication link based on the interference measurement and may transmit an indication of the capability of the first UE to the base station.

Abstract: Aspects relate to mechanisms for wireless communication devices to update transmission configuration indicator states (TCI-states), spatial relation (SR) indicators (SRIs), or pathloss reference signals (PL-RSs) for a group of two or more component carriers (CCs) for multi-component carrier communication. A radio access network (RAN) node may generate a message indicating one or more TCI-states, one or more SRs, or one or more PL-RSs to utilize for multi-CC communication. The message may include an index identifying a group of two or more CCs of a plurality of access CCs or a plurality of sidelink CCs associated with the one or more TCI-states, the one or more SRs, or the one or more PL-RSs. A user equipment (UE) may receive the message and update the one or more TCI-states, the one or more SRs, or the one or more PL-RSs for the group of two or more CC for the multi-CC communication based on the message.

Abstract: Certain aspects of the present disclosure provide techniques for determining default parameters to use in the absence of a signaled uplink transmission configuration indicator (TCI) state for uplink transmissions. In some cases, a UE may determine, based on one or more rules, at least one of a default uplink beam or default path loss reference signal (PL RS) to use an uplink transmission in the absence of a signaled uplink transmission configuration indicator (TCI) state for the uplink transmission; and send the uplink transmission in accordance with the determination.

Abstract: Methods, systems, and devices for wireless communications are described. A repeater extends coverage of wireless communications services between two wireless nodes (a base station and a user equipment (UE)). A network control node (e.g., a base station) receives a first indication of a capability of a repeater to detect a time division duplexing (TDD) pattern of a channel between the base station and the UE. The base station transmits, to the UE and via the repeater, one or more parameters associated with the UE performing one or more channel measurements and reference signals for the channel measurements. The base station transmits, to the repeater, a second indication of a TDD pattern of the channel based on the capability of the repeater. Based on the indication of the TDD pattern, the repeater adjusts one or more radio frequency components of the repeater.

Abstract: In an aspect, a network device (e.g., BS, core network component, etc.) determines a self-interference measurement (SIM) configuration associated with null-forming at a wireless device (e.g., UE or BS), the null-forming associated with steering at least one receive beam of the wireless device and/or at least one transmit beam of the wireless device away from one or more external sources of self-interference. The network device transmits the SIM configuration to the wireless device. The wireless device performs at least one null-forming procedure in accordance with the SIM configuration.

Abstract: Methods, systems, and devices for wireless communications are described. A network node may transmit, to a plurality of user equipment (UE), a set of network encoded packets generated using a set of packets. A UE of the plurality of UEs may receive a subset of the set of encoded packets and may decode the subset to determine a first set of decoded packets. The UE may receive a second set of decoded packets from the plurality of UEs. The UE may transmit feedback to the network node that indicates the successfully decoded packets of the first and second sets. The network node may receive the feedback and may determine a subset of the set of packets that was successfully decoded for each UE providing the feedback. The network node may transmit an updated set of network encoded packets to the plurality of UEs.

Abstract: Method and apparatus for dynamic polarization combining. The apparatus identifies a first polarization of a first set of antenna elements on a first side of an antenna module having two or more sides. The apparatus identifies a second polarization of a second set of antenna elements on a second side of the antenna module. The apparatus determines, for an antenna layer, a dynamic polarization combination between the first set of antenna elements having the first polarization with the second set of antenna elements having the second polarization. The apparatus communicates with a network node via the antenna module based on the dynamic polarization combination.